Base | Representation |
---|---|
bin | 1110011100111… |
… | …01111010000001 |
3 | 22110010021110001 |
4 | 13032131322001 |
5 | 222013424100 |
6 | 20010240001 |
7 | 3001315024 |
oct | 716357201 |
9 | 273107401 |
10 | 121233025 |
11 | 62484191 |
12 | 34726001 |
13 | 1c169224 |
14 | 1215b1bb |
15 | a99ad6a |
hex | 739de81 |
121233025 has 12 divisors (see below), whose sum is σ = 151881772. Its totient is φ = 95984640.
The previous prime is 121233019. The next prime is 121233029. The reversal of 121233025 is 520332121.
It can be written as a sum of positive squares in 6 ways, for example, as 848241 + 120384784 = 921^2 + 10972^2 .
It is not a de Polignac number, because 121233025 - 27 = 121232897 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121232993 and 121233011.
It is not an unprimeable number, because it can be changed into a prime (121233029) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22572 + ... + 27421.
Almost surely, 2121233025 is an apocalyptic number.
It is an amenable number.
121233025 is a deficient number, since it is larger than the sum of its proper divisors (30648747).
121233025 is an equidigital number, since it uses as much as digits as its factorization.
121233025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50100 (or 50095 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 121233025 is about 11010.5869507488. The cubic root of 121233025 is about 494.9260509196.
Adding to 121233025 its reverse (520332121), we get a palindrome (641565146).
The spelling of 121233025 in words is "one hundred twenty-one million, two hundred thirty-three thousand, twenty-five".
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